Expansion Wormhole Restoration

/*

wormhole-restoration.js

Script for spawning Thargoid Witchspace Jammers in interstellar space.


Oolite
Copyright © 2003-2011 Giles C Williams and contributors

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.


wormhole_restoration.oxp
Copyright © 2011 "Commander McLane"

This work is licensed under the Creative Commons
Attribution-Noncommercial-Share Alike 3.0 Unported License.

To view a copy of this license, visit
http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter
to Creative Commons, 171 Second Street, Suite 300, San Francisco,
California, 94105, USA.

*/

"use strict";
this.name           = "wormhole-restoration";
this.description    = "Script for spawning Thargoid Witchspace Jammers";
this.author         = "Commander McLane";
this.copyright      = "© 2011 Commander McLane";
this.license		= "CC-by-nc-sa 3.0";
this.version        = "1.1";


/* event handlers */

this.shipWillEnterWitchspace = function(cause)
{
    // the player's origin system is stored
    if(!system.isInterstellarSpace)
    {
        this.originSystem = system.ID;
        this.misjumpCounter = 0;
    }
    // consecutive misjumps are counted
    this.misjumpCounter ++;
    // if the player followed an NPC's wormhole, this fact is stored
    if(cause === "wormhole") this.followedNPC = true;
}

this.shipWillExitWitchspace = function()
{
    // only works in interstellar space and only for the first misjump
    // (the Thargoids have their technology only installed in the middle between systems)
    if(!system.isInterstellarSpace || this.misjumpCounter !== 1) return;
    // the target system of the jump is established
    this.originCoordinates = System.infoForSystem(galaxyNumber, this.originSystem).coordinates;
    this.currentCoordinates = system.info.coordinates;
    this.misjumpVector = this.currentCoordinates.subtract(this.originCoordinates);
    this.jumpVector = this.misjumpVector.multiply(2);
    this.targetCoordinates = this.originCoordinates.add(this.jumpVector);
    this.targetSystem = SystemInfo.filteredSystems(this, function(other){return (other.coordinates.squaredDistanceTo(this.targetCoordinates) < 0.0000001)})[0].systemID;
    // four Witchspace Jammers are spawned around the origin
    system.addShips("wormhole_restoration_witchspace_jammer", 1, [14618.6, 8686.1, 10541.7], 0);
    system.addShips("wormhole_restoration_witchspace_jammer", 1, [-7449.9, -15359.9, 10399.8], 0);
    system.addShips("wormhole_restoration_witchspace_jammer", 1, [-14478.2, 13337.6, -3572.2], 0);
    system.addShips("wormhole_restoration_witchspace_jammer", 1, [7359.4, -6668.0, -17369.2], 0);
}

/*

wormhole-restoration-witchspace-jammer.js

Script for the Thargoid Witchspace Jammer.


Oolite
Copyright © 2003-2011 Giles C Williams and contributors

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.


wormhole_restoration.oxp
Copyright © 2011 "Commander McLane"

This work is licensed under the Creative Commons
Attribution-Noncommercial-Share Alike 3.0 Unported License.

To view a copy of this license, visit
http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter
to Creative Commons, 171 Second Street, Suite 300, San Francisco,
California, 94105, USA.

*/

"use strict";

this.name           = "wormhole-restoration-witchspace-jammer";
this.description    = "Script for the Thargoid Witchspace Jammer";
this.author         = "Commander McLane";
this.copyright      = "© 2011 Commander McLane";
this.license		= "CC-by-nc-sa 3.0";
this.version        = "1.1";


/* functions */

function $isStrandedShip(entity)
{
    return entity.scanClass === "CLASS_NEUTRAL" && !entity.owner && entity.primaryRole !== "generationship"
}


/* event handlers */

this.shipDied = function(whom, why)
{
    if(system.countShipsWithRole("wormhole_restoration_witchspace_jammer") > 1)
    {
        player.commsMessage("1 Thargoid Witchspace Jammer destroyed. " + (system.countShipsWithRole("wormhole_restoration_witchspace_jammer") - 1) + " still active.");
    }
    else
    {
        // a wormhole-creating object is spawned around the origin
        var wormholeCreator = system.addShips("wormhole_restoration_wormhole_creator", 1, [0, 0, 0], 5000)[0];
        wormholeCreator.script.targetSystem = worldScripts["wormhole-restoration"].targetSystem;
        // more wormhole-creating objects are spawned of there are more stranded ships
        var strandedShips = system.filteredEntities(this, $isStrandedShip).length;
        // if the player was using one of their wormholes in the first place, one wormhole less is created
        if(worldScripts["wormhole-restoration"].followedNPC)
        {
            if(strandedShips !== 0)
            {
                strandedShips --;
            }
            delete worldScripts["wormhole-restoration"].followedNPC;
        }
        for(var i=0; i<strandedShips; i++)
        {
            wormholeCreator = system.addShips("wormhole_restoration_wormhole_creator", 1, [0, 0, 0], 5000)[0];
            if(Math.random() < 0.5)
            {
                wormholeCreator.script.targetSystem = worldScripts["wormhole-restoration"].targetSystem;
            }
            else
            {
                wormholeCreator.script.targetSystem = worldScripts["wormhole-restoration"].originSystem;
            }
        }        
        // the player is notified
        player.commsMessage("The last Thargoid Witchspace Jammer was destroyed. All wormholes are restored.");
    }
}

this.shipTakingDamage = function(amount, whom, type)
{
    if(type === "cascade weapon" || amount === 1000)
    {
        this.ship.energy += amount;
    }
}

/*

wormhole-restoration-wormhole-creator.js

Script for creating a wormhole and removing the wormhole creator object.


Oolite
Copyright © 2003-2011 Giles C Williams and contributors

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.


wormhole_restoration.oxp
Copyright © 2011 "Commander McLane"

This work is licensed under the Creative Commons
Attribution-Noncommercial-Share Alike 3.0 Unported License.

To view a copy of this license, visit
http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter
to Creative Commons, 171 Second Street, Suite 300, San Francisco,
California, 94105, USA.

*/

"use strict";

this.name           = "wormhole-restoration-wormhole-creator";
this.description    = "Script for creating a wormhole and removing the wormhole creator object";
this.author         = "Commander McLane";
this.copyright      = "© 2011 Commander McLane";
this.license		= "CC-by-nc-sa 3.0";
this.version        = "1.1";


/* functions */

this.$attemptJump = function()
{
    // attempts to jump out to the player's original target system 
    if(this.ship.exitSystem(this.targetSystem) === true)
    {
        this.jumpAttemptTimer.stop();
        delete this.jumpAttemptTimer;
    }
}


/* event handlers */

this.shipSpawned = function()
{
    this.jumpAttemptTimer = new Timer(this, this.$attemptJump, 0.1, 0.5)
}

this.shipExitedWormhole = function()
{
    // the object is removed after the jump
    this.ship.remove();
}